Effects of the 4Nv chromosome from Aegilops ventricosa on agronomic and quality traits in bread wheat

E. Sin, J. Del Moral, P. Hernández, E. Benavente, M. Rubio, J.A. Martín-Sánchez, R.F. Pérez, I. López-Braña and A. Delibes
Additional contact information
E. Sin: Centre UdL-IRTA, E-25198 Lérida, Spain
J. Del Moral: S.E.C.T.I. Junta de Extremadura, E-06080 Badajoz, Spain
P. Hernández: Departamento de Biotecnología, ETSI Agrónomos, UPM, E-28040 Madrid, Spain
E. Benavente: Departamento de Biotecnología, ETSI Agrónomos, UPM, E-28040 Madrid, Spain
M. Rubio: Departamento de Biotecnología, ETSI Agrónomos, UPM, E-28040 Madrid, Spain
J.A. Martín-Sánchez: Centre UdL-IRTA, E-25198 Lérida, Spain
R.F. Pérez: S.E.C.T.I. Junta de Extremadura, E-06080 Badajoz, Spain
I. López-Braña: Departamento de Biotecnología, ETSI Agrónomos, UPM, E-28040 Madrid, Spain
A. Delibes: Departamento de Biotecnología, ETSI Agrónomos, UPM, E-28040 Madrid, Spain

Czech Journal of Genetics and Plant Breeding, 2011, vol. 47, issue SpecialIssue, S63-S66

Abstract: Advanced wheat lines carrying the Hessian fly resistance gene H27 were obtained by backcrossing the wheat/Aegilops ventricosa introgression line, H-93-33, to commercial wheat cultivars as recurrent parents. The Acph-Nv1 marker linked to the gene H27 on the 4Nv chromosome of this line was used for marker assisted selection. Advanced lines were evaluated for Hessian fly resistance in field and growth chamber tests, and for other agronomic traits during several crop seasons at different localities of Spain. The hessian fly resistance levels of lines carrying the 4Nv chromosome introgression (4D/4Nv substitution and recombination lines that previously were classified by in situ hybridisation) were high, but always lower than that of their Ae. ventricosa progenitor. Introgression lines had higher grain yields in infested field trials than those without the 4Nv chromosome and their susceptible parents, but lower grain yields under high yield potential conditions. The 4Nv introgression was also associated with later heading, and lower tiller and grain numbers/m2. In addition, it was associated with longer and more lax spikes, and higher values of grain weight and grain protein content. However, the glutenin and gliadin expression, as well as the bread-making performance, were similar to those of their recurrent parents.

Keywords: Hessian fly; introgression; plant breeding; powdery mildew; resistance gene (search for similar items in EconPapers)
Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjg:v:47:y:2011:i:specialissue:id:3256-cjgpb

DOI: 10.17221/3256-CJGPB

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